Molecular Physics-Elementary Theory and Applications of NMR [IAS (Admin.) Mains Physics]: Questions 1 - 1 of 1

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Question 1

Appeared in Year: 2003

Describe in Detail Subjective▾

Calculate the Larmor frequency of Spin particle in a magnetic field B. (Marks: 10)

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Explanation

An electron moving around the nucleus of an atom is equivalent to a magnetic dipole. Hence, when the atom is placed in an external magnetic field, the electron orbit processes about the field direction as axis. This precession is called ‘Larmor Precession’ and the frequency of this precession is called ‘Larmor Frequency’ .

In Fig (1) is shown an ele…

… (508 more equations, 17 figures) …